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How to use UpdateLabels method of cronjob Package

Best Testkube code snippet using cronjob.UpdateLabels

labels.go

Source:labels.go

1package transformer2import (3	"fmt"4	"sort"5	"github.com/GoogleContainerTools/kpt-functions-sdk/go/fn"6)7type FieldPath []string8// LabelTransformer supports the set-labels workflow, it uses Config to parse functionConfig, Transform to change the labels9type LabelTransformer struct {10	// NewLabels is the desired labels11	NewLabels map[string]string12	// Results logs the changes to the KRM resource labels13	Results fn.Results14	// ResultCount logs the total count of each labels change15	ResultCount map[string]int16}17// NewLabelTransformer is the constructor for labelTransformer18func NewLabelTransformer() *LabelTransformer {19	resultCount := make(map[string]int)20	return &LabelTransformer{21		ResultCount: resultCount,22	}23}24// SetLabels perform the whole set labels operation according to given resourcelist25func SetLabels(rl *fn.ResourceList) (bool, error) {26	transformer := NewLabelTransformer()27	if err := transformer.Config(rl.FunctionConfig); err != nil {28		rl.Results = append(rl.Results, fn.ErrorResult(err))29		return false, nil30	}31	if err := transformer.Transform(rl.Items); err != nil {32		rl.Results = append(rl.Results, fn.ErrorResult(err))33		return false, nil34	}35	rl.Results = append(rl.Results, transformer.Results...)36	return true, nil37}38// Config parse the functionConfig kubeObject to the fields in the LabelTransformer39func (p *LabelTransformer) Config(functionConfig *fn.KubeObject) error {40	// parse labels to NewLabels41	switch {42	case functionConfig.IsEmpty():43		return fmt.Errorf("Config is Empty, failed to configure function: `functionConfig` must be either a `ConfigMap` or `SetLabels`")44	case functionConfig.IsGVK("", "v1", "ConfigMap"):45		p.NewLabels = functionConfig.NestedStringMapOrDie("data")46	case functionConfig.IsGVK(fn.KptFunctionGroup, fn.KptFunctionVersion, FnConfigKind):47		if _, exist, err := functionConfig.NestedSlice(fnDeprecateField); exist || err != nil {48			return fmt.Errorf("`additionalLabelFields` has been deprecated")49		}50		p.NewLabels = functionConfig.NestedStringMapOrDie("labels")51		if len(p.NewLabels) == 0 {52			return fmt.Errorf("failed to configure function: input label list cannot be empty, required valid `labels` field")53		}54	default:55		return fmt.Errorf("unknown functionConfig Kind=%v ApiVersion=%v, expect `%v` or `ConfigMap` with correct formatting",56			functionConfig.GetKind(), functionConfig.GetAPIVersion(), FnConfigKind)57	}58	return nil59}60// Transform updates the labels in the right path using GVK filter and other configurable fields61func (p *LabelTransformer) Transform(objects fn.KubeObjects) error {62	// using unit test and pass in empty string would provide a nil; an empty file in e2e would provide 0 object63	if objects.Len() == 0 || objects[0] == nil {64		newResult := fn.GeneralResult("no input resources", fn.Info)65		p.Results = append(p.Results, newResult)66		return nil67	}68	for _, o := range objects.WhereNot(func(o *fn.KubeObject) bool { return o.IsLocalConfig() }) {69		err := func() error {70			if err := p.setObjectMeta(o); err != nil {71				return err72			}73			if err := p.setSelector(o); err != nil {74				return err75			}76			if err := p.setPodTemplateSpec(o); err != nil {77				return err78			}79			if hasVolumeClaimTemplates(o) {80				if err := p.setVolumeClaimTemplates(o); err != nil {81					return err82				}83			}84			if hasJobTemplateSpec(o) {85				if err := p.setJobTemplateSpecMeta(o); err != nil {86					return err87				}88			}89			if hasNetworkPolicySpec(o) {90				if err := p.setNetworkPolicyRule(o); err != nil {91					return err92				}93			}94			return nil95		}()96		if err != nil {97			return err98		}99		p.LogResult(o, p.ResultCount)100	}101	return nil102}103// hasJobTemplateSpec check if the object is CronJob, this kind might have JobTemplateSpec, which contains label fieldPath104func hasJobTemplateSpec(o *fn.KubeObject) bool {105	return o.IsGVK("batch", "", "CronJob")106}107// setJobTemplateSpecMeta set MetaObject in struct JobTemplateSpec108func (p *LabelTransformer) setJobTemplateSpecMeta(o *fn.KubeObject) error {109	// set objectMeta110	fieldPath := FieldPath{"spec", "jobTemplate", "metadata", "labels"}111	if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, true, p.ResultCount); err != nil {112		return err113	}114	return nil115}116// setJobSpecObjectMeta set MetaObject in struct JobSpec117func (p *LabelTransformer) setJobSpecObjectMeta(o *fn.KubeObject) error {118	// set podTemplateSpec objectMeta119	specfieldPath := FieldPath{"spec", "jobTemplate", "spec", "template", "metadata", "labels"}120	if err := updateLabels(&o.SubObject, specfieldPath, p.NewLabels, true, p.ResultCount); err != nil {121		return err122	}123	return nil124}125// hasJobPodSpec check if the object contains struct JobPodSpec126func hasJobPodSpec(o *fn.KubeObject) bool {127	if cronJobSpec := o.GetMap("spec"); cronJobSpec != nil {128		if jobTemplateSpec := cronJobSpec.GetMap("jobTemplate"); jobTemplateSpec != nil {129			if jobSpec := jobTemplateSpec.GetMap("spec"); jobSpec != nil {130				if podTemplateSpec := jobSpec.GetMap("template"); podTemplateSpec != nil {131					if podSpec := podTemplateSpec.GetMap("spec"); podSpec != nil {132						return true133					}134				}135			}136		}137	}138	return false139}140// setJobPodSpec set labels path in PodSpec for kind CronJob141func (p *LabelTransformer) setJobPodSpec(o *fn.KubeObject) error {142	// set podTemplateSpec affinity143	if hasJobPodSpec(o) {144		podSpecObj := o.GetMap("spec").GetMap("jobTemplate").GetMap("spec").GetMap("template").GetMap("spec")145		if err := p.setPodSpec(podSpecObj); err != nil {146			return err147		}148	}149	return nil150}151// hasNetworkPolicySpec checking if this kind is NetworkPolicy, it would contain struct NetworkPolicySpec152func hasNetworkPolicySpec(o *fn.KubeObject) bool {153	return o.IsGVK("networking.k8s.io", "", "NetworkPolicy")154}155// setNetworkPolicyRule set ingress and egress rules for kind NetworkPolicy156func (p *LabelTransformer) setNetworkPolicyRule(o *fn.KubeObject) error {157	podSelector := FieldPath{"podSelector", "matchLabels"}158	spec := o.GetMap("spec")159	if spec != nil {160		for _, vecObj := range spec.GetSlice("ingress") {161			for _, nextVecObj := range vecObj.GetSlice("from") {162				err := updateLabels(nextVecObj, podSelector, p.NewLabels, false, p.ResultCount)163				if err != nil {164					return err165				}166			}167		}168		for _, vecObj := range spec.GetSlice("egress") {169			for _, nextVecObj := range vecObj.GetSlice("to") {170				err := updateLabels(nextVecObj, podSelector, p.NewLabels, false, p.ResultCount)171				if err != nil {172					return err173				}174			}175		}176	}177	return nil178}179// hasSpecSelector check if the resource contains struct SpecSelector, kind Service and ReplicationController has it180func hasSpecSelector(o *fn.KubeObject) bool {181	if o.IsGVK("", "v1", "Service") || o.IsGVK("", "v1", "ReplicationController") {182		return true183	}184	return false185}186// setSelector set labels for all selectors, including spec selector map, spec selector LabelSelector, LabelSelector in JobTemplate, and podSelector in NetworkPolicy, and187func (p *LabelTransformer) setSelector(o *fn.KubeObject) error {188	if hasSpecSelector(o) {189		fieldPath := FieldPath{"spec", "selector"}190		if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, true, p.ResultCount); err != nil {191			return err192		}193	}194	if found, create := hasLabelSelector(o); found {195		fieldPath := FieldPath{"spec", "selector", "matchLabels"}196		if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, create, p.ResultCount); err != nil {197			return err198		}199	}200	if hasJobTemplateSpec(o) {201		fieldPath := FieldPath{"spec", "jobTemplate", "spec", "selector", "matchLabels"}202		if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, false, p.ResultCount); err != nil {203			return err204		}205	}206	if hasNetworkPolicySpec(o) {207		fieldPath := FieldPath{"spec", "podSelector", "matchLabels"}208		if err := updateLabels(&o.SubObject, fieldPath, p.NewLabels, false, p.ResultCount); err != nil {209			return err210		}211	}212	return nil213}214// hasLabelSelector check if the resource contains struct LabelSelector, return (if the resource has LabelSelector, if the LabelSelector need to be created if not exist)215func hasLabelSelector(o *fn.KubeObject) (bool, bool) {216	if o.IsGVK("", "", "Deployment") || o.IsGVK("", "", "ReplicaSet") || o.IsGVK("", "", "DaemonSet") || o.IsGVK("apps", "", "StatefulSet") {217		return true, true218	}219	if o.IsGVK("batch", "", "Job") || o.IsGVK("policy", "", "PodDisruptionBudget") {220		return true, false221	}222	return false, false223}224// hasPodTemplateSpec check if the resource contains struct PodTemplateSpec, ReplicationController, Deployment, ReplicaSet, DaemonSet, StatefulSet, Job kind has it225func hasPodTemplateSpec(o *fn.KubeObject) bool {226	switch {227	case o.IsGVK("", "v1", "ReplicationController"):228		return true229	case o.IsGVK("", "", "Deployment"):230		return true231	case o.IsGVK("", "", "ReplicaSet"):232		return true233	case o.IsGVK("", "", "DaemonSet"):234		return true235	case o.IsGVK("apps", "", "StatefulSet"):236		return true237	case o.IsGVK("batch", "", "Job"):238		return true239	default:240		return false241	}242}243// setPodTemplateSpec set label path for PodTemplateSpec, both its ObjectMeta and its PodSpec244func (p *LabelTransformer) setPodTemplateSpec(o *fn.KubeObject) error {245	if hasPodTemplateSpec(o) {246		// set objectMeta247		if err := p.setSpecObjectMeta(o); err != nil {248			return err249		}250		// set podSpec251		if hasPodSpec(o) {252			if err := p.setPodSpec(o.GetMap("spec").GetMap("template").GetMap("spec")); err != nil {253				return err254			}255		}256	}257	// PodTemplateSpec can also be in JobTemplateSpec258	if hasJobTemplateSpec(o) {259		if err := p.setJobSpecObjectMeta(o); err != nil {260			return err261		}262		if err := p.setJobPodSpec(o); err != nil {263			return err264		}265	}266	return nil267}268// hasVolumeClaimTemplates check if the resource contains struct VolumeClaimTemplates, kind StatefulSet has it269func hasVolumeClaimTemplates(o *fn.KubeObject) bool {270	return o.IsGVK("apps", "", "StatefulSet")271}272// setVolumeClaimTemplates set VolumeClaimTemplates label path273func (p *LabelTransformer) setVolumeClaimTemplates(o *fn.KubeObject) error {274	if hasVolumeClaimTemplates(o) {275		metaLabelPath := FieldPath{"metadata", "labels"}276		if o.GetMap("spec") != nil {277			for _, vctObj := range o.GetMap("spec").GetSlice("volumeClaimTemplates") {278				err := updateLabels(vctObj, metaLabelPath, p.NewLabels, true, p.ResultCount)279				if err != nil {280					return err281				}282			}283		}284	}285	return nil286}287// hasPodSpec check if the resource has struct PodSpec288func hasPodSpec(o *fn.KubeObject) bool {289	if spec := o.GetMap("spec"); spec != nil {290		if template := spec.GetMap("template"); template != nil {291			if podSpec := template.GetMap("spec"); podSpec != nil {292				return true293			}294		}295	}296	return false297}298// setPodSpec set label path in PodSpec, that include path under topologySpreadConstraints and affinity299func (p *LabelTransformer) setPodSpec(podSpec *fn.SubObject) error {300	labelSelector := FieldPath{"labelSelector", "matchLabels"}301	_, exist, _ := podSpec.NestedSlice("topologySpreadConstraints")302	if exist {303		for _, obj := range podSpec.GetSlice("topologySpreadConstraints") {304			err := updateLabels(obj, labelSelector, p.NewLabels, false, p.ResultCount)305			if err != nil {306				return err307			}308		}309	}310	subObj := podSpec.GetMap("affinity")311	if subObj != nil {312		for _, aff := range []string{"podAffinity", "podAntiAffinity"} {313			podAff := subObj.GetMap(aff)314			if podAff != nil {315				for _, obj := range subObj.GetSlice("preferredDuringSchedulingIgnoredDuringExecution") {316					nxtObj := obj.GetMap("podAffinityTerm")317					if nxtObj != nil {318						err := updateLabels(nxtObj, labelSelector, p.NewLabels, false, p.ResultCount)319						if err != nil {320							return err321						}322					}323				}324				for _, obj := range subObj.GetSlice("requiredDuringSchedulingIgnoredDuringExecution") {325					err := updateLabels(obj, labelSelector, p.NewLabels, false, p.ResultCount)326					if err != nil {327						return err328					}329				}330			}331		}332	}333	return nil334}335// setSpecObjectMeta takes in spec subObject and check its field for ObjectMeta, create key value if not existed336func (p *LabelTransformer) setSpecObjectMeta(o *fn.KubeObject) error {337	metaLabelsPath := FieldPath{"spec", "template", "metadata", "labels"}338	err := updateLabels(&o.SubObject, metaLabelsPath, p.NewLabels, true, p.ResultCount)339	if err != nil {340		return err341	}342	return nil343}344// setObjectMeta set ObjectMeta labels for all resources345func (p *LabelTransformer) setObjectMeta(o *fn.KubeObject) error {346	metaLabelsPath := FieldPath{"metadata", "labels"}347	err := updateLabels(&o.SubObject, metaLabelsPath, p.NewLabels, true, p.ResultCount)348	if err != nil {349		return err350	}351	return nil352}353// LogResult logs the KRM resource that has the labels changed354func (p *LabelTransformer) LogResult(o *fn.KubeObject, labelCount map[string]int) {355	// no labels get updated, no log356	if len(labelCount) == 0 {357		return358	}359	keys := make([]string, 0)360	for k := range labelCount {361		keys = append(keys, k)362	}363	sort.Strings(keys)364	for i := 0; i < len(keys); i++ {365		key := keys[i]366		labelCountValue := labelCount[key]367		msg := fmt.Sprintf("set labels {%v} %v times", key, labelCountValue)368		newResult := fn.Result{369			Message:     msg,370			Severity:    "",371			ResourceRef: nil,372			Field:       nil,373			File: &fn.File{374				Path:  o.PathAnnotation(),375				Index: o.IndexAnnotation(),376			},377			Tags: nil,378		}379		p.Results = append(p.Results, &newResult)380	}381}382// updateLabels the update process for each label, sort the keys to preserve sequence, return if the update was performed and potential error383func updateLabels(o *fn.SubObject, labelPath FieldPath, newLabels map[string]string, create bool, updatedLabelsCount map[string]int) error {384	keys := make([]string, 0)385	for k := range newLabels {386		keys = append(keys, k)387	}388	sort.Strings(keys)389	for i := 0; i < len(keys); i++ {390		key := keys[i]391		val := newLabels[key]392		newPath := append(labelPath, key)393		oldValue, exist, err := o.NestedString(newPath...)394		if err != nil {395			return err396		}397		//TODO: should support user configurable field for labels398		if (exist && oldValue != val) || (!exist && create) {399			if err = o.SetNestedString(val, newPath...); err != nil {400				return err401			}402			recordLabel := fmt.Sprintf("%v : %v", key, val)403			updatedLabelsCount[recordLabel] += 1404		}405	}406	return nil407}...

client.go

Source:client.go

...91		return err92	}93	return nil94}95// UpdateLabels is a method to update an existing cron job labels96func (c *Client) UpdateLabels(cronJobSpec *v1.CronJob, oldLabels, newLabels map[string]string) error {97	cronJobClient := c.ClientSet.BatchV1().CronJobs(c.Namespace)98	ctx := context.Background()99	for key := range oldLabels {100		delete(cronJobSpec.Labels, key)101	}102	for key, value := range newLabels {103		cronJobSpec.Labels[key] = value104	}105	if _, err := cronJobClient.Update(ctx, cronJobSpec, metav1.UpdateOptions{}); err != nil {106		return err107	}108	return nil109}110// Delete is a method to delete an existing cron job...

UpdateLabels

Using AI Code Generation

1import (2func main() {3	if home := homeDir(); home != "" {4		kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")5	} else {6		kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")7	}8	flag.Parse()9	config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)10	if err != nil {11		panic(err.Error())12	}13	clientset, err := kubernetes.NewForConfig(config)14	if err != nil {15		panic(err.Error())16	}17	cronjob := &batchv1beta1.CronJob{18		ObjectMeta: metav1.ObjectMeta{19		},20		Spec: batchv1beta1.CronJobSpec{21			JobTemplate: batchv1beta1.JobTemplateSpec{22				Spec: batchv1.JobSpec{23					Template: v1.PodTemplateSpec{24						Spec: v1.PodSpec{25							Containers: []v1.Container{26								{27									Command: []string{"echo", "Hello, Kubernetes!"},28								},29							},30						},31					},32				},33			},34		},35	}36	fmt.Println("Creating cronjob...")37	result, err := clientset.BatchV1beta1().CronJobs("default").Create(cronjob)38	if err != nil {39		panic(err)40	}41", result.GetObjectMeta().GetName())42	update.Labels = map[string]string{"app": "demo"}43	fmt.Println("Updating cronjob...")

UpdateLabels

Using AI Code Generation

1import (2func main() {3    config, err := clientcmd.BuildConfigFromFlags("", "/home/username/.kube/config")4    if err != nil {5        panic(err.Error())6    }7    clientset, err := kubernetes.NewForConfig(config)8    if err != nil {9        panic(err.Error())10    }11    cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("mycronjob", metav1.GetOptions{})12    if err != nil {13        panic(err.Error())14    }15    fmt.Println("Old labels:", cronjob.Labels)16    cronjob.Labels = labels.Set{"app": "myapp"}17    _, err = clientset.BatchV1beta1().CronJobs("default").Update(cronjob)18    if err != nil {19        panic(err.Error())20    }21    fmt.Println("New labels:", cronjob.Labels)22}23import (24func main() {25    config, err := clientcmd.BuildConfigFromFlags("", "/home/username/.kube/config")26    if err != nil {27        panic(err.Error())28    }29    clientset, err := kubernetes.NewForConfig(config)30    if err != nil {31        panic(err.Error())32    }33    cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("mycronjob", metav1.GetOptions{})34    if err != nil {35        panic(err.Error

UpdateLabels

Using AI Code Generation

1import (2func main() {3	if home := homedir.HomeDir(); home != "" {4		kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")5	} else {6		kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")7	}8	flag.Parse()9	config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)10	if err != nil {11		panic(err.Error())12	}13	clientset, err := kubernetes.NewForConfig(config)14	if err != nil {15		panic(err.Error())16	}17	cronJob, err := clientset.BatchV1beta1().CronJobs("default").Get("mycronjob", metav1.GetOptions{})18	if err != nil {19		log.Fatal(err)20	}21	fmt.Printf("Found CronJob %s22	if cronJob.Labels == nil {23		cronJob.Labels = make(map[string]string)24	}25	_, err = clientset.BatchV1beta1().CronJobs("default").Update(cronJob)26	if err != nil {27		log.Fatal(err)28	}29	fmt.Printf("Updated CronJob %s30}31Example 2: Using Update() method of CronJob class to update CronJob32import (

UpdateLabels

Using AI Code Generation

1import (2func main() {3	config, err := rest.InClusterConfig()4	if err != nil {5		fmt.Println("error in creating config")6		panic(err.Error())7	}8	clientset, err := kubernetes.NewForConfig(config)9	if err != nil {10		fmt.Println("error in creating clientset")11		panic(err.Error())12	}13	cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("cronjob1", metav1.GetOptions{})14	if err != nil {15		fmt.Println("error in getting cronjob")16		panic(err.Error())17	}18	fmt.Println("Cronjob labels before update: ", cronjob.Labels)19	selector := labels.Set(cronjob.Labels).AsSelectorPreValidated()20	cronjob, err = clientset.BatchV1beta1().CronJobs("default").UpdateLabels("cronjob1", cronjob.Labels, selector)21	if err != nil {22		fmt.Println("error in updating cronjob labels")23		panic(err.Error())24	}25	fmt.Println("Cronjob labels after update: ", cronjob.Labels)26}

UpdateLabels

Using AI Code Generation

1import (  2func main() {  3    config, err := clientcmd.BuildConfigFromFlags("", "config")4    if err != nil {5        panic(err.Error())6    }7    clientset, err := kubernetes.NewForConfig(config)8    if err != nil {9        panic(err.Error())10    }11    cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("example-cronjob", metav1.GetOptions{})12    if err != nil {13        panic(err.Error())14    }15    _, err = clientset.BatchV1beta1().CronJobs("default").UpdateLabels(cronjob)16    if err != nil {17        panic(err.Error())18    }19    fmt.Println("CronJob updated successfully")20}

UpdateLabels

Using AI Code Generation

1import (2func main() {3	klog.InitFlags(nil)4	config, err := clientcmd.BuildConfigFromFlags("", "/home/rohit/.kube/config")5	if err != nil {6		panic(err.Error())7	}8	clientset, err := kubernetes.NewForConfig(config)9	if err != nil {10		panic(err.Error())11	}12	req, err := labels.NewRequirement("app", selection.Equals, []string{"cronjob"})13	if err != nil {14		klog.Error(err)15	}16	selector := labels.NewSelector().Add(*req)17	cronjobs, err := clientset.BatchV1beta1().CronJobs("default").List(metav1.ListOptions{LabelSelector: selector.String()})18	if err != nil {19		klog.Error(err)20	}21	for _, cronjob := range cronjobs.Items {22		err = retry.RetryOnConflict(retry.DefaultRetry, func() error {23			result, getErr := clientset.BatchV1beta1().CronJobs(cronjob.Namespace).Get(cronjob.Name, metav1.GetOptions{})24			if getErr != nil {25				panic(fmt.Errorf("Failed to get latest version of CronJob: %v", getErr))26			}27			_, updateErr := clientset.BatchV1beta1().CronJobs(cronjob.Namespace).Update(result)28		})29		if err != nil {30			panic(fmt.Errorf("Failed to update CronJob: %v", err))31		}32	}33}

UpdateLabels

Using AI Code Generation

1import (2func main() {3	config, err := rest.InClusterConfig()4	if err != nil {5		if config, err = clientcmd.BuildConfigFromFlags("", os.Getenv("HOME")+"/.kube/config"); err != nil {6			panic(err.Error())7		}8	}9	clientset, err := kubernetes.NewForConfig(config)10	if err != nil {11		panic(err.Error())12	}13	cronjob, err := clientset.BatchV1beta1().CronJobs("default").Get("hello", metav1.GetOptions{})14	if err != nil {15		log.Fatal(err)16	}17	cronjob, err = clientset.BatchV1beta1().CronJobs("default").Update(cronjob)18	if err != nil {19		log.Fatal(err)20	}21	selector := labels.Set{"foo": "bar"}.AsSelector()22	cronjob, err = clientset.BatchV1beta1().CronJobs("default").Get("hello", metav1.GetOptions{})23	if err != nil {24		log.Fatal(err)25	}26	if err := updateCronJobLabels(clientset, cronjob, selector); err != nil {27		log.Fatal(err)28	}29}30func updateCronJobLabels(clientset *kubernetes.Clientset, cronjob *v1beta1.CronJob, selector labels.Selector) error {31	cronjob, err := clientset.BatchV1beta1().CronJobs(cronjob.Namespace).Get(cronjob.Name, metav1.GetOptions{})32	if err != nil {33	}34	cronjob.Spec.JobTemplate.Labels = selector.MatchLabels()

UpdateLabels

Using AI Code Generation

1import (2func main() {3	c := cron.New()4	c.AddFunc("* * * * *", func() { fmt.Println("Every minute on the minute") })5	c.AddFunc("*/5 * * * *", func() { fmt.Println("Every 5 minutes") })6	c.AddFunc("0 0 1 * *", func() { fmt.Println("Every day on the 1st at midnight") })7	fmt.Println("Crontab entries:")8	for _, entry := range c.Entries() {9		fmt.Println(entry)10	}11	c.UpdateLabels(c.Entries()[0], "foo", "bar")12	fmt.Println("Updated crontab entries:")13	for _, entry := range c.Entries() {14		fmt.Println(entry)15	}16	c.Start()17	time.Sleep(10 * time.Second)18	c.AddFunc("*/2 * * * *", func() { fmt.Println("Every 2 minutes") })19	fmt.Println("Inspecting 2nd entry's next and previous run times:")20	inspect(c.Entries()[1])21	c.Remove(c.Entries()[0])22	fmt.Println("Crontab entries after removing 1st entry:")23	for _, entry := range c.Entries() {24		fmt.Println(entry)25	}26	c.Stop()27}28func inspect(entry cron.Entry) {29	fmt.Printf("Next Run: %s30	fmt.Printf("Prev Ru

UpdateLabels

Using AI Code Generation

1import (2func main() {3	config, err := rest.InClusterConfig()4	if err != nil {5		if config, err = clientcmd.BuildConfigFromFlags("", os.Getenv("HOME")+"/.kube/config"); err != nil {6			panic(err.Error())7		}8	}9	clientset, err := kubernetes.NewForConfig(config)10	if err != nil {11		panic(err.Error())12	}13	cronjob, err := clientset.BatchV1().CronJobs(namespace).Get(cronjobName, metav1.GetOptions{})14	if err != nil {15		if errors.IsNotFound(err) {16			log.Printf("CronJob %s in namespace %s not found", cronjobName, namespace)17		} else {18			log.Printf("Error getting CronJob %s in namespace %s: %v", cronjobName, namespace, err)19		}20	}21	fmt.Println(cronjob.Labels)22	fmt.Println("Updating Labels")

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